401(k) · DOL Form 5500 · 2023
Western Digital Corporation 401(k) Plan
Data updated 2026-08-11
- $2.2B
- Total assets
- 7,690
- Participants
- 99th
- Percentile by assets
- $289,287
- Avg per participant
Official DOL plan name: Western Digital Corporation 401(k) Plan · Sponsored by Western Digital Corporation · California · Manufacturing
$2.2B in assets, 7,690 participants
Western Digital Corporation's Western Digital Corporation 401(k) Plan reported $2.2B in total assets and 7,690 participants in its 2023 DOL Form 5500 filing, ranking in the 99th percentile by assets among filed plans. Figures are as reported by the plan sponsor to the Department of Labor, not audited or endorsed by PlainRetire.
- 99th percentile by assets (of 127,072 plans)
- #18,502 in Manufacturing (18,722 peers)
Coverage in California
Western Digital Corporation 401(k) Plan covers 7,690 participants in California, 12x the typical California plan (state average ~630 per filing). Assets: $2.2B.
- $2.2B
- total plan assets (2023 EOY)
- 7,690
- covered participants
- 99th
- percentile by assets (of 127,072 plans)
- $289,287
- avg assets per participant
What changed between DOL Form 5500 filings
plan year 2022 → plan year 2023
- Western Digital Corporation 401(k) Plan reported net income rose from -$393M in the plan year 2022 filing to $237M in the plan year 2023 filing.
- Western Digital Corporation 401(k) Plan end-of-year assets rose from $2.0B in the plan year 2022 filing to $2.2B in the plan year 2023 filing.
- Western Digital Corporation 401(k) Plan reported participants fell from 7,874 in the plan year 2022 filing to 7,690 in the plan year 2023 filing.
Participants vs California filers
In California, the average filing covers about 630 participants across 15,291 plans. Western Digital Corporation 401(k) Plan reports 7,690 participants - 12x that state average ($2.2B EOY assets).
California filing particulars
| Total Assets (Beginning of Year) | $2.0B |
|---|---|
| Net Assets (End of Year) | $2.2B |
| Net Income | $237M |
| Employer EIN | 330956711 |
| Plan Effective Date | 1984-10-01 |
| Filing Status | FILING RECEIVED |
Sponsor Plan History (Western Digital Corporation)
| Year | Plans | Participants | Total Assets |
|---|---|---|---|
| 2022 | 1 | 7,874 | $2.0B |
| 2023 | 1 | 7,690 | $2.2B |
| 2024 | 1 | 6,558 | $2.5B |
Nearby 401(k) Plans in California
Peer 401(k) plans, same state, same plan type, ranked by total assets.
Western Digital Corporation 401(k) Plan vs. nearby 401(k) plans in California, assets vs. participants
- Wells Fargo & Company 401(k) Plan $51.8B · 193,919
- Google LLC 401(k) Savings Plan $39.0B · 122,867
- Oracle Corporation 401(k) Savings and Investment Plan $26.3B · 63,105
- Intel 401(k) Savings Plan $22.2B · 59,863
- Apple 401(k) Plan $19.8B · 106,111
Scale composition for Western Digital Corporation 401(k) Plan
Western Digital Corporation 401(k) Plan reports $2.2B in end-of-year assets across 7,690 participants (0.018% of the $12.3T held by all Form 5500 filers in the national rollup , and 0.008% of 93,925,755 covered participants) - about $289,287 per participant (2.1x the national average assets-per-participant) . Net income for plan year 2023 was $237M.
This plan identity (EIN 330956711, plan #003) has 3 Form 5500 filings on file from 2022 to 2024 , with end-of-year assets moving from $2.0B to $2.5B (+24.6%) while covered participants moved from 7,874 to 6,558 . Single-year sparse filers cannot show that trail.
| Plan year | Participants | EOY assets | Filing |
|---|---|---|---|
| 2022 | 7,874 | $2.0B | Open filing |
| 2023 | 7,690 | $2.2B | This page |
| 2024 · index core | 6,558 | $2.5B | Open filing |
The same sponsor also keeps 1 other index-core plan on PlainRetire:
- Western Digital Corporation 401(k) Plan (401(k), $2.5B, 6,558 participants)
Similar-Sized 401(k) Plans Nationally
401(k) plans in other states closest to Western Digital Corporation 401(k) Plan by total assets, not by location.
- Sodexo 401 (K) Employees' Retirement Savings Plan and Trust (MD) $2.2B · 80,121
- US Foods 401(k) Plan (IL) $2.2B · 27,989
- Nnpp Contractor Savings Plan (PA) $2.2B · 8,074
- Adm 401(k) and Employee Stock Ownership Plan for Salaried Employees (IL) $2.2B · 8,055
Frequently Asked Questions
How did Western Digital Corporation 401(k) Plan assets move in 2023? ▼
How have Western Digital Corporation plan assets changed over time? ▼
Where does Western Digital Corporation 401(k) Plan rank by assets among Form 5500 filers? ▼
Which 401(k) plans are similar in size to Western Digital Corporation 401(k) Plan? ▼
Next read for Western Digital Corporation 401(k) Plan
Filing takeaways
Ways to act on Western Digital Corporation 401(k) Plan's numbers.
- By total assets, Western Digital Corporation 401(k) Plan ranks among the largest 1% of all filed plans. See the largest plans
- Compare it side-by-side against 3 similar 401(k) plans in California. Compare plans
- Western Digital Corporation's sponsor-wide assets have grown 24.6% since 2022 across 3 plan years on file. More Manufacturing plans